Jeep Wrangler Forum banner

1 - 4 of 4 Posts

·
Registered
Joined
·
2,097 Posts
Ive welded up 4 cracks in my stock header. This is normal for a 4.0L header
 

·
Founder, ThumbJeeps
Joined
·
4,062 Posts
one thing that helps is your thermostat. You can get one that will run about 180 or 200. If you go with the 180, she'll run cooler and do less wear and tear on the manifold.

Unless your already running a 180... does your temp stay on 200 to 205? Or is it down near 180 all the time?
 

·
Registered
Joined
·
2,097 Posts
but if it she runs below 200 you will burn more fuel cause the ECU doesnt go in to close loop mode
 
1 - 4 of 4 Posts
Top